Indoor unit

Ceiling Concealed Duct- Low Static10.3 Checking the Drainage• Spray one or two glasses of water on the evaporator.• Ensure that water flows drain hose of indoor unit without any leakage.10.4 Indoor Unit Drain Piping• Drain piping must have down-slope (1/50 to 1/100): be sure not to provideup-and-down slope to prevent reversal flow.• During drain piping connection, be careful not to exert extra force on thedrain port on the indoor unit.• The outside diameter of the drain connection on the indoor unit is 32mm.Piping material: Polyvinyl chloride pipe innerdiometes Ø 25mm and pipe fittings• Be sure to install heat insulation on the drain piping.Heat insulation material: Polyethylene foam withthickness more than 8 mm.Pipe clampIndoor unitMaintenancedrain portUpwardroutingnot allowed1/50~1/100MAX 700mmDrain testThe air conditioner uses a drain pump to drain water.Use the following procedure to test the drain pump operation:Feed waterDrain PumpFlexible drain hose(accessory)Maindrain pipeDrainport Glue the jointDrain hose connectionUse the clip (accessory)• Connect the main drain pipe to the exterior and leave it provisionallyuntil the test comes to an end.• Feed water to the flexible drain hose and check the pipingfor leakage.• Be sure to check the drain pump for normal operating andnoise when electrical wiring is complete.• When the test is complete, connect the flexible drain hose tothe drain port on the indoor unit.Drain panCAUTIONThe supplied flexible drain hose should not be strained.A strained hose may cause leakage of water.Max 300mmMetalclampHangerdistance1~15mFlexible drain hoseInsulationHanger Bracket1/50~1/100 slopeMax 700mm5-17Indoor unitFlexible drain hoseFlexible drain hoseCeiling Concealed DuctFlexible drain hose- Low Static